1. Home
  2. Directory
  3. Illinois
  4. Chicago
  5. Nurse Practitioner
  6. NPI Profile

MARGOT DUFFY
NPI 1194439885
Nurse Practitioner - Women's Health in Chicago, IL

Active since January 09, 2023PECOS Enrolled
200 S MICHIGAN AVE STE 1550, CHICAGO, IL 60604(312) 262-2976 Get Directions Write a Review

NPPES record last updated: June 11, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 11, 2024, Oct 3, 2023, Jan 9, 2023 (3 updates tracked since 2023).

About Margot Duffy NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARGOT DUFFY (NPI 1194439885) is an individual women's health provider in Chicago, Illinois, licensed in Illinois (209028261) and active in the NPI registry since January 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1194439885
Entity TypeIndividualFemale
Primary Taxonomy363LW0102X
Provider Legal NameMARGOT DUFFY
Location Address200 S MICHIGAN AVE STE 1550Chicago, IL 60604-2424
Mailing Address200 S Michigan Ave Ste 1550Chicago, IL 60604-2424 · (312) 262-2976
Phone(312) 262-2976
Sole ProprietorYes
Medical School CMSOtherGraduated 2023
Enumeration DateJanuary 9, 2023
Last NPPES UpdateJune 11, 20243 updates tracked since enumeration
NPPES CertifiedJune 11, 2024
✔ NPI 1194439885 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Women's HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LW0102X
License✔ Licensed in IL · 209028261
Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License 501338 (OH)
200 S MICHIGAN AVE STE 1550, Chicago, IL 60604
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Margot Duffy is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7517312028
PECOS Enrollment IDI20231018000660
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Margot Duffy reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Together Women's Health Medical Group Of Illinois, PLLC
1.7 mi
Specialist
900 N KINGSBURY ST, SUITE 130N
Chicago, IL 60610
  • Reassigned Medicare billing, Illinois enrollment
  • 34 clinicians in this Medicare group
NPI 1912161100 (312) 775-1100

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60604 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. KELLIE SERELEAS BUTLER MD
Obstetrics & Gynecology
200 S MICHIGAN AVE STE 1550
CHICAGO, IL 60604
Cook County (312) 263-5517
DR. KATHLEEN ELIZABETH CRONIN MD
Obstetrics & Gynecology
200 S MICHIGAN AVE STE 1550
CHICAGO, IL 60604
Cook County (312) 220-3322
REYGAN TAWNEY
Nurse Practitioner (Women's Health)
200 S MICHIGAN AVE STE 1550
CHICAGO, IL 60604
Cook County (312) 263-5517
DR. SARA ANN KRITZER M.D.
Obstetrics & Gynecology
200 S MICHIGAN AVE STE 1550
CHICAGO, IL 60604
Cook County (440) 840-5333
DR. NADIA ANNE FAYOUMI
Obstetrics & Gynecology
200 S MICHIGAN AVE STE 1550
CHICAGO, IL 60604
Cook County (312) 262-2976
DR. SHAYNA R RUBIN M.D.
Obstetrics & Gynecology
200 S MICHIGAN AVE STE 1550
CHICAGO, IL 60604
Cook County (312) 263-5517
WOMENS HEALTH CONSULTING LLC
Obstetrics & Gynecology
200 S MICHIGAN AVE STE 1550
CHICAGO, IL 60604
Cook County (312) 263-5517

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Margot Duffy's NPI number?

The NPI number for Margot Duffy is 1194439885. It was assigned to this individual provider in the NPPES registry on January 9, 2023.

Where is Margot Duffy located?

Margot Duffy practices at 200 S Michigan Ave Ste 1550, Chicago, IL 60604. The listed phone number is (312) 262-2976.

What is Margot Duffy's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Women's Health, with taxonomy code 363LW0102X.

Is Margot Duffy enrolled in Medicare?

Yes. Margot Duffy is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Margot Duffy's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Margot Duffy reassigns Medicare benefits to Together Women's Health Medical Group Of Illinois, PLLC (Chicago, IL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Margot Duffy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Margot Duffy was last updated on June 11, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.